.chart-background {
    max-width: 750px;
    max-height: 600px;
    min-width: 500px;
    min-height: 400px;
    margin: 10px;
    float: left;
    display: inline;
    background-color: #fff;
    opacity: .8;
}

.evaluation-chart {
    width: 750px;
    height: 600px;
    min-width: 500px;
    min-height: 400px;
    float: left;
    display: inline;
    padding: 15px;
    flex-flow: row wrap;
}

.tuning-middle {
    max-width: 1540px;
    min-width: 1540px;
}
